CN203981834U - The inverter board pick-up unit of railway DC600V power supply passenger vehicle - Google Patents
The inverter board pick-up unit of railway DC600V power supply passenger vehicle Download PDFInfo
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- CN203981834U CN203981834U CN201420116686.6U CN201420116686U CN203981834U CN 203981834 U CN203981834 U CN 203981834U CN 201420116686 U CN201420116686 U CN 201420116686U CN 203981834 U CN203981834 U CN 203981834U
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- 238000012360 testing method Methods 0.000 claims abstract description 59
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000006870 function Effects 0.000 description 14
- 238000005070 sampling Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 230000006399 behavior Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
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- Electric Propulsion And Braking For Vehicles (AREA)
- Inverter Devices (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The utility model relates to a kind of inverter board pick-up unit of railroad train DC600V power supply passenger vehicle.In pick-up unit, electronic circuit is eight digit number word coding circuit, DC0~5V, DC0~12V, DC0~± 15V, DC110V analog power circuit for generating, MCU main computer unit, eight digit number word testing circuit, analogue detection circuitry and display circuit, in testing table, there is shared interface end, wherein MCU main computer unit by wire respectively with eight digit number word coding circuit, DC0~5V, DC0~12V, DC0~± 15V, DC110V analog power circuit for generating, eight digit number word testing circuit, analogue detection circuitry and display circuit separate connection separately, the electronic circuit of testing table can be simulated respectively the power panel in the inverter of exporting railway DC600V power supply passenger vehicle, interface board, drive plate, three phase samplers, master control borad is the peripheral electrical quantity of required normal work separately, to power panel, interface board, drive plate, three phase samplers, master control borad plate properties is tested detection.
Description
Technical field
The utility model relates to a kind of inverter board pick-up unit of railroad train DC600V power supply passenger vehicle, belongs in railroad train utilization process and ensures one of safe equipment.
Background technology
The DC600V power supply passenger vehicle that my office attaches troops to a unit started to increase year by year from 2006, existing 421 so far.And along with the increase of service time, the fault of DC600V inverter and charging set also day by day increases, due to maintenance technique data deficiencies, maintenance technique difficulty greatly, particularly the parts price costliness such as electronic circuit board and the reason such as procurement cycle is long, after causing DC600V power supply passenger vehicle inverter fault, can not repair in time, affect the normal use of passenger vehicle.
Therefore, for reaching the inverter fault rate of bad order cars that reduces DC600V power supply passenger vehicle, ensure the normal utilization of passenger vehicle, effectively reduce maintenance cost, and the object of raising vehicle maintenance personnel technical quality, the interfacing, fault detect and the maintenance technique that are necessary the know-why to passenger vehicle inverter, each plate are studied, to obtaining good economic results in society.
On railway, also there is the testing table of pair DC600V inverter and charging set test, but be all the testing table that DC600V inverter and charging set complete machine is carried out to function test, when the words that in complete machine, a certain plate breaks down, the replacement of board that can only make good use of, until find out faulty board, the faulty board quality of displacing cannot be tested separately.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned prior art deficiency, a kind of inverter board pick-up unit of railroad train DC600V power supply passenger vehicle is provided, pick-up unit adopts has electronic circuit and testing table, it can simulate respectively the peripheral electrical quantity of power panel in inverter, interface board, drive plate, three phase samplers, the required normal work of master control borad, the plate various functions such as power panel, interface board, drive plate, master control borad are tested, judged a kind of testing equipment of board quality.
The technical solution of the utility model is achieved in that the inverter board pick-up unit of railway DC600V power supply passenger vehicle is the testing table with electronic circuit, the electronic circuit being equipped with in testing table is eight digit number word coding circuit, DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V analog power circuit for generating, MCU main computer unit, eight digit number word testing circuit, analogue detection circuitry and display circuit, in testing table, have with power end, data input pin, the data output end of tested board and be connected and use interface end
Wherein MCU main computer unit by wire respectively with eight digit number word coding circuit, DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V analog power circuit for generating, eight digit number word testing circuit, analogue detection circuitry and display circuit separate connection separately, the electronic circuit of testing table can be simulated respectively the power panel in the inverter of exporting railway DC600V power supply passenger vehicle, interface board, drive plate, three phase samplers, master control borad is the peripheral electrical quantity of required normal work separately, to power panel, interface board, drive plate, three phase samplers, master control borad plate properties is tested detection, judge the quality of detected board.
By MCU main computer unit, send respectively separately the instruction of appointment to numerical coding circuit or analog power circuit for generating, the digital signal, the simulating signal that produce regulation offer tested circuit board, testing circuit receives the output signal of tested circuit board simultaneously, output signal sends MCU main computer unit to, MCU main computer unit, by output signal and the signal comparison pre-entering, provides and bad result of determination, and is presented in real time on display screen.
Numerical coding circuit receives the instruction that manual operation MCU main computer unit sends, produce eight 1~1024 numerical codings, the analog signals that tested circuit board produces, after modulate circuit, A/D change-over circuit, through photoelectricity, MCU main computer unit is sent in isolation, MCU main computer unit, by output signal and the standard signal comparison pre-entering, provides and bad result of determination, and is presented in real time on display screen.
Analog power circuit for generating receives the instruction that manual operation MCU main computer unit sends, and analog power circuit for generating can produce DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V power supply; The analog signals that tested circuit board produces, after modulate circuit, A/D change-over circuit, through photoelectricity, MCU main computer unit is sent in isolation, and MCU main computer unit is by output signal and the standard signal comparison pre-entering, provide and bad result of determination, and be presented in real time on display screen.
The output signal of whole pick-up unit and the voltage of collection, electric current all can be in liquid crystal display screen displays, and whether function is intact for detected circuit plate, and device can be evaluating with word in liquid crystal screen display.
The utility model pick-up unit can be separately for detected plate provides analog operation required peripheral electrical quantity, and output electrical signals, the tested drafting board fault-signal of while acquisition testing plate, preliminary judgement is detected plate fault, complete every detection test, for the maintenance of plate provides maintenance direction, the inverter fault rate of bad order cars that reduces DC600V power supply passenger vehicle, ensures the normal utilization of passenger vehicle, effectively reduces maintenance cost.
Brief description of the drawings
Fig. 1 is this pick-up unit principle of work block diagram.
Fig. 2 is the driving power board test electrical circuit diagram in this pick-up unit.
Fig. 3 is the three-phase board test electrical circuit diagram in this pick-up unit.
Fig. 4 is the interface board detecting electric circuit diagram in this pick-up unit.
Fig. 5 is the master control borad board test electrical circuit diagram in this pick-up unit.
Dotted line part in above-mentioned each figure is placement location or the interface end position of the tested drafting board of alert/detected card.
embodiment:
This pick-up unit need pass through manual type in advance, collection, the arrangement of the inverter correlation technique data to DC600V power supply passenger vehicle, and the research of detailed circuit principle in kind is surveyed and drawn, survey and draw the schematic diagram of DC600V power supply passenger vehicle three-phase inverter, single-phase inverter and charging set, and the normal data (standard signal) of the inverter that obtains DC600V power supply passenger vehicle while normally using, this normal data is pre-entered in calculator memory or MCU host memory in, the use of the normal data/standard value when comparing.
The testing table group of this pick-up unit is equipped with eight digit number word coding circuit in advance, DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V analog power circuit for generating, eight digit number word testing circuit, signal sampling, modulate circuit, A/D change-over circuit, display circuit, and load onto the driving power board test electric circuit shown in Fig. 2 simultaneously, three-phase board test electric circuit shown in Fig. 3, control plate board test electric circuit shown in interface board detecting electric circuit shown in Fig. 4 and Fig. 5, above-mentioned each circuit is independently arranged in testing table separately, the common terminal that each interface end on testing table is above-mentioned whole circuit, MCU main computer unit interconnects with above-mentioned each circuit respectively, and can control each circuit works alone separately.
This pick-up unit entirety can be contained in a case, opens casing, connects 220 volts of power supplys, and each interface end and tested drafting board/card interface are interconnected, and can use.
In this pick-up unit, signal sampling, modulate circuit adopt the existing signal sampling in market, conditioning circuit module, and signal sampling, modulate circuit are to receive simulating signal, the digital signal that detected plate produces.Digital signal is isolated by photoelectricity, gives MCU main computer unit.Analog signals, through modulate circuit, carries out filtering and amplifies and process, and becomes suitable size, is converted to the receptible digital quantity of MCU main computer unit for A/D.
In this pick-up unit, eight digit number word coding circuit adopts market existing eight digit number word coding circuit module, eight digit number word coding circuit is used for receiving the instruction that MCU main computer unit comes, send eight 1~1024 numerical codings, provide and intend detecting board needed number amount signal.
In this pick-up unit, DC0~5V, DC0~12V, DC 0~± 15V, DC110V analog power circuit for generating adopt the existing analog power circuit for generating in market, analog power circuit for generating can receive the instruction that MCU main computer unit comes, and provides and intends detecting the required power supply signal of board.
In this pick-up unit, display circuit adopts market existing display circuit module, and display circuit is according to the instruction of MCU main computer unit, the information that prompting operation person institute must understanding, and show in display screen.
Applicant is by analyzing the inverter principle of DC600V power supply passenger vehicle, survey and draw input-output characteristic and the function zoning of each electronic circuit board according to reality, produce this pick-up unit test bench installation, this pick-up unit test bench installation can be tested every block of plate separately.
when the test of three-phase sampling plate circuit function,after the each interface line end of input, output line and the testing table exact connect ion of tested three-phase sampling plate/card, artificial behaviour makees the register face in pick-up unit, after the information such as the tested plate type of selecting properly, model, producer, testing table for detected three-phase sampling provide ± 15V of plate and+5V power supply and three-phase alternating-current supply, the detection signals such as the three-phase current of detected three-phase sampling plate output, filtered circuit, voltage, voltage/frequency are sent to testing table by interface end, signal, through ovennodulation, filtering, is rectified into direct current signal to A/D change-over circuit.A/D change-over circuit is converted into digital quantity by obtained analog quantity again and gives MCU main computer unit, MCU main computer unit the data value that obtains with pre-enter the standard value having in computing machine and compare (without using software, in common computer, in system, have and support such simple data comparing function), whether the each road of self-verifying sampled value consistent with standard value? unanimously normal, and be presented in real time result of determination on screen.
when interface board circuit function test, the input line of tested interface board/card, after each interface line end exact connect ion of output line and testing table, artificial behaviour makees the register face in pick-up unit, select correct plate type, model, after the information such as producer, testing table provides power supply for being detected interface plate, in testing table, MCU main computer unit sends instruction to eight digit number word coding circuit, eight digit number word coding circuit produces switching value signal, drive the actuating of relay on detected plate, the output digit signals producing when the actuating of relay is isolated by photoelectricity, give MCU main computer unit, MCU main computer unit compares the data value and the computing machine internal standard value that obtain (without using software, in common computer, in system, have and support such simple data comparing function), check that whether each road sampled value is normal, and on screen, show in real time result of determination.
when the test of power panel circuit function,each interface line of the input line of tested power panel/card, output line and testing table is pressed after the pick-up unit in normal this testing table of mark exact connect ion, manual operation pick-up unit register face, select after the information such as correct detected plate type, model, producer, testing table is simultaneously for detected power supply plate provides power supply, detected plate output+5V ,+15V and-15V voltage signal is to testing table, voltage signal, through ovennodulation, filtering, is rectified into direct current signal and gives A/D change-over circuit.A/D change-over circuit is converted into numerical data by obtained analog quantity and gives MCU main computer unit again, MCU main computer unit is the digital data value obtaining and be pre-existing in the comparison of computing machine internal standard value (without using software, in common computer, in system, have and support such simple data comparing function), check that whether each road sampled value is normal, and on screen, show result of determination.
when the test of driving power plate circuit function,the input of tested driving power plate/card, after each interface line exact connect ion of output line and testing table, artificial behaviour makees panel and selects correct plate type, model, after the information such as producer, testing table provides power supply for being detected plate, testing table MCU main computer unit sends instruction to eight digit number word coding circuit, eight digit number word coding circuit produces switching value signal, drive IGBT action on detected driving power plate, the protection of simulation exothermic temperature, alternating current short-circuit protection, driving power fault detect, the required switching value signal such as failure reset, the busbar voltage of detected plate simultaneously, AC sampling electric signal is through ovennodulation, filtering, be rectified into direct current signal to A/D change-over circuit.A/D change-over circuit is converted into digital quantity by obtained analog quantity and gives MCU main computer unit, setting value comparison in the value that MCU main computer unit handle obtains and computing machine is (without using software, in common computer, in system, have and support such simple data comparing function), check that whether each road sampled value is normal, and on screen, show result of determination.
when the test of master control borad circuit function,after each interface line exact connect ion of the input of tested master control board card, output line and testing table, artificial behaviour makees panel and selects after the information such as correct plate type, model, producer, testing table provides power supply for being detected plate, testing table MCU sends instruction to eight digit number word coding circuit, eight digit number word coding circuit produces switching value signal, offer master control borad, detected simulating signal, through ovennodulation, filtering, is rectified into direct current signal to A/D change-over circuit.A/D change-over circuit is converted into digital quantity by obtained analog quantity and gives MCU; The digital signal of detected plate output is isolated by photoelectricity, gives MCU main computer unit.MCU main computer unit, established standards value comparison in the value obtaining and computing machine (without using software, have and support such simple data comparing function in common computer in system), checks that whether each road sampled value is normal, and on screen, shows result of determination.
Claims (5)
1. the inverter board pick-up unit of a railway DC600V power supply passenger vehicle, it is characterized in that pick-up unit is the testing table with electronic circuit, the electronic circuit being equipped with in testing table is eight digit number word coding circuit, DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V analog power circuit for generating, MCU main computer unit, eight digit number word testing circuit, analogue detection circuitry and display circuit, in testing table, have with power end, data input pin, the data output end of tested board and be connected and use interface end
Wherein MCU main computer unit by wire respectively with eight digit number word coding circuit, DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V analog power circuit for generating, eight digit number word testing circuit, analogue detection circuitry and display circuit separate connection separately, the electronic circuit of testing table can be simulated respectively the power panel in the inverter of exporting railway DC600V power supply passenger vehicle, interface board, drive plate, three phase samplers, master control borad is the peripheral electrical quantity of required normal work separately, to power panel, interface board, drive plate, three phase samplers, master control borad plate properties is tested detection, judge the quality of detected board.
2. the inverter board pick-up unit of railroad train DC600V power supply passenger vehicle according to claim 1, it is characterized in that the main computer unit by MCU, send respectively separately the instruction of appointment to numerical coding circuit or analog power circuit for generating, produce the digital signal of regulation, simulating signal offers tested circuit board, testing circuit receives the output signal of tested circuit board simultaneously, output signal sends MCU main computer unit to, MCU main computer unit is by output signal and the signal comparison pre-entering, provide and bad result of determination, and be presented in real time on display screen.
3. the inverter board pick-up unit of railroad train DC600V power supply passenger vehicle according to claim 1, it is characterized in that: numerical coding circuit receives the instruction that manual operation MCU main computer unit sends, produce eight 1~1024 numerical codings, the analog signals that tested circuit board produces, after modulate circuit, A/D change-over circuit, through photoelectricity, MCU main computer unit is sent in isolation, MCU main computer unit is by output signal and the standard signal comparison pre-entering, provide and bad result of determination, and be presented in real time on display screen.
4. the inverter board pick-up unit of railroad train DC600V power supply passenger vehicle according to claim 1, it is characterized in that: analog power circuit for generating receives the instruction that manual operation MCU main computer unit sends, analog power circuit for generating can produce DC 0~5V, DC 0~12V, DC 0~± 15V, DC110V power supply; The analog signals that tested circuit board produces, after modulate circuit, A/D change-over circuit, through photoelectricity, MCU main computer unit is sent in isolation, and MCU main computer unit is by output signal and the standard signal comparison pre-entering, provide and bad result of determination, and be presented in real time on display screen.
5. the inverter board pick-up unit of railway DC600V power supply passenger vehicle according to claim 1, it is characterized in that: the output signal of whole pick-up unit and the voltage of collection, electric current all can be in liquid crystal display screen displays, whether function is intact for detected circuit plate, and device can be evaluating with word in liquid crystal screen display.
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CN201420116686.6U CN203981834U (en) | 2014-03-16 | 2014-03-16 | The inverter board pick-up unit of railway DC600V power supply passenger vehicle |
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CN201420116686.6U CN203981834U (en) | 2014-03-16 | 2014-03-16 | The inverter board pick-up unit of railway DC600V power supply passenger vehicle |
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Cited By (11)
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CN104793128A (en) * | 2015-05-08 | 2015-07-22 | 北京九方宏信交通装备有限公司 | Driver board failure detection device in rail transit |
CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
CN105388428A (en) * | 2015-12-03 | 2016-03-09 | 常州大学 | Inverter mutual-standby function tester |
CN106896320A (en) * | 2017-04-18 | 2017-06-27 | 苏州格联威智能科技有限公司 | A kind of PLC plates analog detection tool |
CN107894562A (en) * | 2017-12-15 | 2018-04-10 | 北斗航天汽车(北京)有限公司 | Automobile circuit plate and its detecting system |
CN109507925A (en) * | 2018-11-30 | 2019-03-22 | 武汉迪昌科技股份有限公司 | A kind of data acquisition board and data collection system for railway DC600V ground power supply |
CN109975684A (en) * | 2017-12-27 | 2019-07-05 | 北京兆易创新科技股份有限公司 | A kind of chip test system |
CN110632502A (en) * | 2019-10-29 | 2019-12-31 | 国网山东省电力公司淄博供电公司 | IGBT driver board test platform for three-phase unbalance adjustment device |
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CN114062888A (en) * | 2020-08-03 | 2022-02-18 | 南京南瑞继保电气有限公司 | Automatic detection system and detection method for sampling plate of bus protection device |
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2014
- 2014-03-16 CN CN201420116686.6U patent/CN203981834U/en not_active Expired - Fee Related
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104793128A (en) * | 2015-05-08 | 2015-07-22 | 北京九方宏信交通装备有限公司 | Driver board failure detection device in rail transit |
CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
CN105388428A (en) * | 2015-12-03 | 2016-03-09 | 常州大学 | Inverter mutual-standby function tester |
CN105388428B (en) * | 2015-12-03 | 2018-02-02 | 常州大学 | A kind of inverter is mutually for function test device |
CN106896320A (en) * | 2017-04-18 | 2017-06-27 | 苏州格联威智能科技有限公司 | A kind of PLC plates analog detection tool |
CN106896320B (en) * | 2017-04-18 | 2024-01-09 | 贵州行瑞天成科技有限公司 | PLC board simulation detection jig |
CN107894562A (en) * | 2017-12-15 | 2018-04-10 | 北斗航天汽车(北京)有限公司 | Automobile circuit plate and its detecting system |
CN109975684B (en) * | 2017-12-27 | 2021-11-02 | 北京兆易创新科技股份有限公司 | Chip testing system |
CN109975684A (en) * | 2017-12-27 | 2019-07-05 | 北京兆易创新科技股份有限公司 | A kind of chip test system |
CN109507925A (en) * | 2018-11-30 | 2019-03-22 | 武汉迪昌科技股份有限公司 | A kind of data acquisition board and data collection system for railway DC600V ground power supply |
CN110632502A (en) * | 2019-10-29 | 2019-12-31 | 国网山东省电力公司淄博供电公司 | IGBT driver board test platform for three-phase unbalance adjustment device |
CN110806702B (en) * | 2019-11-08 | 2021-07-20 | 中核兰州铀浓缩有限公司 | TP board card of centrifugal uranium concentration system |
CN110806702A (en) * | 2019-11-08 | 2020-02-18 | 中核兰州铀浓缩有限公司 | TP board card of centrifugal uranium concentration system |
CN111816105A (en) * | 2020-06-05 | 2020-10-23 | 中国铁路北京局集团有限公司北京车辆段 | Passenger train electronic information display screen system detection method and device |
CN114062888A (en) * | 2020-08-03 | 2022-02-18 | 南京南瑞继保电气有限公司 | Automatic detection system and detection method for sampling plate of bus protection device |
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Granted publication date: 20141203 Termination date: 20170316 |